ChatGPT sez:

It sounds like you're looking for a license agreement that allows users to enjoy your game while protecting your intellectual property rights. Here's a sample license agreement that you can modify to suit your needs:

License Agreement for [Game Name]

This License Agreement (the "Agreement") is a legal agreement between [Your Name] (the "Licensor") and you (the "Licensee"). By installing, using, or accessing the [Game Name] (the "Game"), you agree to be bound by the terms of this Agreement.

Grant of License

Subject to the terms and conditions of this Agreement, Licensor grants Licensee a non-exclusive, non-transferable, limited license to use the Game for personal, non-commercial purposes only. Licensee may not use the Game for any commercial purposes without the express written consent of the Licensor.

Ownership

The Game is owned by the Licensor, and all rights, title, and interest in and to the Game, including without limitation all copyrights, patents, trademarks, trade secrets, and any other intellectual property rights, are and shall remain the exclusive property of the Licensor. Licensee acknowledges and agrees that it has no right to sublicense or transfer the Game to any third party, and that the License granted hereunder does not convey to Licensee any ownership interest in or to the Game.

Modifications

Licensee may modify the Game for personal use only, but all copyright notices, trademark notices, and any other proprietary notices must remain intact and unchanged. Licensee may not distribute or share any modified version of the Game.

Termination

This Agreement shall terminate automatically if Licensee breaches any of the terms or conditions set forth herein. Upon termination, Licensee must immediately discontinue use of the Game and destroy all copies of the Game in its possession or control.

Limitation of Liability

Licensor shall not be liable for any direct, indirect, incidental, special, consequential, or exemplary damages arising out of or in connection with the use of the Game, even if Licensor has been advised of the possibility of such damages.

Governing Law and Jurisdiction

This Agreement shall be governed by and construed in accordance with the laws of the [Your State/Country], without giving effect to its conflict of laws provisions. Any disputes arising out of or in connection with this Agreement shall be resolved exclusively in the courts of [Your State/Country].

Entire Agreement

This Agreement constitutes the entire agreement between the parties with respect to the subject matter hereof, and supersedes all prior or contemporaneous communications and proposals, whether oral or written, between the parties. This Agreement may not be amended or modified except in writing signed by both parties.

By installing, using, or accessing the Game, Licensee acknowledges that it has read this Agreement, understands it, and agrees to be bound by its terms and conditions.

If you have any questions or concerns about this license agreement, please contact the Licensor at [Your Contact Information].

Might be a start?